pinger.zendesk.com.	30 IN TXT "pod=13"
pinger.zendesk.com.	30 IN TXT "v=spf1 include:mail.zendesk.com ~all"

pinger.zendesk.com.	30 IN A	216.198.53.11
pinger.zendesk.com.	30 IN A	216.198.54.11

Mail exchangers:
pinger.zendesk.com.	30 IN MX 10 mail-pod-13.int.zendesk.com.